| original |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. On a microplankton from the Devonian of Canada containing some new types of Hystrichosphaerids. |
1954 |
| details |
Middle Frasnian |
|
Belgium |
Vanguestaine,M. et al. Evolution of organic debris and palynomorph preservation in two late middle Frasnian sections, southern Dinant Synclinorium border, Belgium. |
1999 |
| details |
Late Gothlandian |
Late Devonian |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Emsian |
Late Devonian |
Canada |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Emsian |
Late Devonian |
Europe |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Siegenian |
Late Devonian |
Brazil |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Siegenian |
Late Devonian |
France |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Siegenian |
Late Devonian |
Algeria |
Jardin©,S. Microplankton (Acritarchs), and the stratigraphic limits of the Upper Silurian to Upper Devonian. |
1972 |
| details |
Vendian |
Early Cambrian |
USSR(Siberia) |
Rudavskaya,V.A. Microstructures of the Orgueil Meteorite similar to microforms from the Lower Paleozoic of eastern Siberia |
1972 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. The Hystrichospheres. A review and discussion. |
1961 |
| details |
Nd |
|
Nd |
Brito,I.M. The acritarchs |
1967 |
| details |
Early Devonian |
|
Canada(Ontario) |
Deunff,J. The acritarchs. 1.The genus Polyedryxium |
1971 |
| details |
Frasnian |
|
Belgium |
Stockmans,F. et al. Hystrichospheres of the Belgian Devonian (Drilling at the Asylum for the Demented at Tournai). |
1960 |
| details |
Silurian |
Devonian |
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Triassic |
Middle Triassic |
USSR(Urals) |
Tuzhikova,V.I. Triassic acritarchs of the Urals |
1971 |
| details |
Precambriam |
Holocene |
Nd |
Guy-Ohlson,D. Green and Blue-Green algae. 7B-Prasinophycean algae. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |